Calumet City, IL Weather & Climate Normals
Calumet City's real weather, in one number
Calumet City, IL scores 45/100 on this site's reading of NOAA's own 30-year normals: strongly seasonal. Comfortable weather is limited to a shorter window; summers, winters, or precipitation swing wide. 5 of the year's 12 months average between 55 and 75°F, the range this site counts as mild.
Calumet City's hottest and coldest months
Calumet City's hottest month is Jul, averaging 74°F; its coldest is Jan, averaging 23°F, a 50.7°F swing across the year, one of the widest gaps in this dataset.
Rain and snow in Calumet City
Calumet City averages 42.1in of precipitation a year across roughly 124 days with measurable rain or snow, and 28.2in of snow a year.
Where Calumet City ranks
Calumet City ranks 3275 of 4876 US cities in this dataset for comfort score, and 118 of 330 within IL. About 34,855 people live there.
If you need tomorrow's forecast, not the 30-year average
Everything above is a 30-year average from PARK FOREST, IL US, 10.2 miles from Calumet City, not a prediction for any specific day.
More on how this is worked out
How the comfort score is calculated · Why some cities show no snow or rain figure